Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e9f25f508f6de502a15324137807c7c1de67fd3420440f3abe14e407da252571:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^